LNO

LNO may refer to:


 * Laona and Northern Railway, Laona, Wisconsin, US
 * Leonora Airport (IATA airport code LNO), Western Australia
 * Liaison officer, a person that liaises between two organizations to communicate and coordinate their activities
 * Linux Native Oberon, a version of the Oberon operating system
 * Loop nest optimization, a method for optimising source code
 * A member of the Order of the Polar Star (Ledamot av Nordstjärneorden)